/* ============================================
   CSS Design System — DevOps Landing Page
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    /* Core palette */
    --bg-primary: #0a0e17;
    --bg-secondary: #0f1520;
    --bg-tertiary: #141c2b;
    --bg-card: rgba(20, 28, 43, 0.6);
    --bg-card-hover: rgba(30, 42, 65, 0.8);

    /* Accent colors */
    --accent-primary: #00d4aa;
    --accent-primary-rgb: 0, 212, 170;
    --accent-secondary: #7c5cfc;
    --accent-secondary-rgb: 124, 92, 252;
    --accent-tertiary: #ff6b6b;
    --accent-tertiary-rgb: 255, 107, 107;
    --accent-warning: #ffd93d;
    --accent-blue: #4dabf7;
    --accent-blue-rgb: 77, 171, 247;

    /* Text */
    --text-primary: #e8edf5;
    --text-secondary: #8892a4;
    --text-tertiary: #5a6478;
    --text-accent: var(--accent-primary);

    /* Borders */
    --border-color: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(0, 212, 170, 0.3);

    /* Glass */
    --glass-bg: rgba(15, 21, 32, 0.7);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);

    /* Spacing */
    --section-padding: 120px 0;
    --container-width: 1200px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Fonts */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

/* --- Reset & Base --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--accent-primary) var(--bg-secondary);
}

body {
    font-family: var(--font-primary);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}
::-webkit-scrollbar-thumb {
    background: var(--accent-primary);
    border-radius: 4px;
}

a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}
a:hover {
    color: var(--accent-secondary);
}

img {
    max-width: 100%;
    display: block;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Selection --- */
::selection {
    background: rgba(var(--accent-primary-rgb), 0.3);
    color: #fff;
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all var(--transition-normal);
    backdrop-filter: blur(0px);
}

.navbar.scrolled {
    padding: 10px 0;
    background: rgba(10, 14, 23, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-mono);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.logo-bracket {
    color: var(--accent-primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 8px;
    transition: all var(--transition-fast);
}

.nav-links a:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.nav-cta {
    background: rgba(var(--accent-primary-rgb), 0.1) !important;
    color: var(--accent-primary) !important;
    border: 1px solid rgba(var(--accent-primary-rgb), 0.3);
}
.nav-cta:hover {
    background: rgba(var(--accent-primary-rgb), 0.2) !important;
    border-color: var(--accent-primary);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}
.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    padding: 100px 24px 60px;
    overflow: hidden;
}

.hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(var(--accent-primary-rgb), 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(var(--accent-primary-rgb), 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 20%, transparent 100%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 20%, transparent 100%);
}

.hero-particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: var(--accent-primary);
    opacity: 0;
    animation: particleFloat 8s infinite;
}

@keyframes particleFloat {
    0% {
        opacity: 0;
        transform: translateY(100vh) scale(0);
    }
    10% {
        opacity: 0.6;
    }
    90% {
        opacity: 0.3;
    }
    100% {
        opacity: 0;
        transform: translateY(-20vh) scale(1);
    }
}

.hero-content {
    max-width: var(--container-width);
    margin: 0 auto;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

/* Hero Text */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(var(--accent-primary-rgb), 0.08);
    border: 1px solid rgba(var(--accent-primary-rgb), 0.2);
    border-radius: 100px;
    font-size: 0.85rem;
    color: var(--accent-primary);
    font-weight: 500;
    margin-bottom: 24px;
    animation: fadeInDown 0.8s ease;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-primary);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(var(--accent-primary-rgb), 0.4); }
    50% { opacity: 0.7; box-shadow: 0 0 0 8px rgba(var(--accent-primary-rgb), 0); }
}

.hero-title {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 24px;
}

.hero-greeting {
    font-size: 1.1rem;
    font-weight: 400;
    color: var(--text-secondary);
    animation: fadeInDown 0.8s ease 0.1s both;
}

.hero-name {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-primary) 50%, var(--accent-secondary) 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInDown 0.8s ease 0.2s both, gradientShift 6s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% center; }
    50% { background-position: 100% center; }
}

.hero-role {
    font-family: var(--font-mono);
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--accent-primary);
    min-height: 2rem;
    animation: fadeInDown 0.8s ease 0.3s both;
}

.hero-description {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 32px;
    animation: fadeInDown 0.8s ease 0.4s both;
}

.hero-description strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* Hero Stats */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 36px;
    animation: fadeInDown 0.8s ease 0.5s both;
}

.stat-item {
    text-align: center;
    padding: 16px 8px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: all var(--transition-normal);
}

.stat-item:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(var(--accent-primary-rgb), 0.1);
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent-primary);
    font-family: var(--font-mono);
}

.stat-suffix {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--accent-primary);
    font-family: var(--font-mono);
}

.stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-tertiary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 4px;
}

/* Hero Buttons */
.hero-actions {
    display: flex;
    gap: 16px;
    animation: fadeInDown 0.8s ease 0.6s both;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), #00b894);
    color: var(--bg-primary);
    box-shadow: 0 4px 20px rgba(var(--accent-primary-rgb), 0.3);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(var(--accent-primary-rgb), 0.4);
    color: var(--bg-primary);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}
.btn-outline:hover {
    border-color: var(--accent-primary);
    background: rgba(var(--accent-primary-rgb), 0.05);
    transform: translateY(-2px);
    color: var(--accent-primary);
}

/* ============================================
   TERMINAL
   ============================================ */
.hero-terminal {
    animation: fadeInRight 1s ease 0.5s both;
}

.terminal-window {
    background: rgba(15, 21, 32, 0.9);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    overflow: hidden;
    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.5),
        0 0 40px rgba(var(--accent-primary-rgb), 0.05),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
}

.terminal-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--border-color);
}

.terminal-dots {
    display: flex;
    gap: 8px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}
.dot-red { background: #ff5f57; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #28ca42; }

.terminal-title {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

.terminal-body {
    padding: 20px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.8;
    min-height: 320px;
}

.terminal-line {
    display: flex;
    align-items: center;
    gap: 8px;
}

.terminal-prompt {
    color: var(--accent-primary);
    font-weight: 700;
}

.terminal-text {
    color: var(--text-primary);
    white-space: pre-wrap;
}

.terminal-cursor {
    color: var(--accent-primary);
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.terminal-output {
    margin-top: 8px;
}

.terminal-output-line {
    color: var(--text-secondary);
    padding: 2px 0;
    opacity: 0;
    animation: fadeInUp 0.3s ease forwards;
}

.terminal-output-line.key {
    color: var(--accent-secondary);
}

.terminal-output-line.value {
    color: var(--accent-primary);
}

.terminal-output-line.comment {
    color: var(--text-tertiary);
    font-style: italic;
}

.terminal-output-line.success {
    color: #28ca42;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    animation: fadeInUp 1s ease 1.5s both;
}

.scroll-indicator span {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.scroll-mouse {
    width: 24px;
    height: 38px;
    border: 2px solid var(--text-tertiary);
    border-radius: 12px;
    position: relative;
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background: var(--accent-primary);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
    0% { opacity: 1; top: 6px; }
    100% { opacity: 0; top: 22px; }
}

/* ============================================
   SECTIONS COMMON
   ============================================ */
.section {
    padding: var(--section-padding);
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent-primary);
    font-weight: 500;
    display: block;
    margin-bottom: 12px;
}

.section-title {
    font-size: 2.8rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-top: 16px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.about-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.about-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.about-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(var(--accent-primary-rgb), 0.1);
}

.about-card:hover::before {
    opacity: 1;
}

.about-card.about-main {
    grid-column: span 2;
}

.about-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(var(--accent-primary-rgb), 0.08);
    border-radius: 14px;
    margin-bottom: 20px;
    color: var(--accent-primary);
    transition: all var(--transition-normal);
}

.about-card:hover .about-icon {
    background: rgba(var(--accent-primary-rgb), 0.15);
    transform: scale(1.05);
}

.about-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.about-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ============================================
   SKILLS SECTION
   ============================================ */
.skills {
    background: var(--bg-secondary);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.skill-category {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 28px;
    transition: all var(--transition-normal);
    opacity: 0;
    transform: translateY(20px);
}

.skill-category.visible {
    opacity: 1;
    transform: translateY(0);
}

.skill-category:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(var(--accent-primary-rgb), 0.08);
}

.skill-category-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 18px;
}

.skill-category-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    transition: all var(--transition-normal);
}

.skill-category-icon.cloud { background: rgba(var(--accent-blue-rgb), 0.12); color: var(--accent-blue); }
.skill-category-icon.iac { background: rgba(var(--accent-secondary-rgb), 0.12); color: var(--accent-secondary); }
.skill-category-icon.containers { background: rgba(var(--accent-primary-rgb), 0.12); color: var(--accent-primary); }
.skill-category-icon.cicd { background: rgba(var(--accent-tertiary-rgb), 0.12); color: var(--accent-tertiary); }
.skill-category-icon.monitoring { background: rgba(255, 217, 61, 0.12); color: var(--accent-warning); }
.skill-category-icon.scripting { background: rgba(var(--accent-primary-rgb), 0.12); color: var(--accent-primary); }
.skill-category-icon.networking { background: rgba(var(--accent-blue-rgb), 0.12); color: var(--accent-blue); }
.skill-category-icon.practices { background: rgba(var(--accent-secondary-rgb), 0.12); color: var(--accent-secondary); }

.skill-category h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.skill-tag {
    padding: 6px 14px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    transition: all var(--transition-fast);
    cursor: default;
}

.skill-tag:hover {
    background: rgba(var(--accent-primary-rgb), 0.08);
    border-color: rgba(var(--accent-primary-rgb), 0.3);
    color: var(--accent-primary);
    transform: translateY(-1px);
}

/* ============================================
   EXPERIENCE TIMELINE
   ============================================ */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline-item {
    display: grid;
    grid-template-columns: 40px 1fr;
    gap: 32px;
    margin-bottom: 40px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.timeline-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.timeline-marker {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}

.timeline-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent-primary);
    border: 3px solid var(--bg-primary);
    box-shadow: 0 0 0 3px rgba(var(--accent-primary-rgb), 0.3);
    z-index: 2;
    flex-shrink: 0;
    margin-top: 28px;
}

.timeline-line {
    width: 2px;
    flex: 1;
    background: linear-gradient(to bottom, var(--accent-primary), transparent);
    margin-top: 8px;
}

.timeline-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.timeline-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: linear-gradient(to bottom, var(--accent-primary), var(--accent-secondary));
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.timeline-card:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
    transform: translateX(4px);
    box-shadow: 0 12px 40px rgba(var(--accent-primary-rgb), 0.08);
}

.timeline-card:hover::before {
    opacity: 1;
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
    flex-wrap: wrap;
    gap: 12px;
}

.timeline-company {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-primary);
}

.timeline-role {
    font-size: 0.95rem;
    color: var(--accent-primary);
    font-weight: 600;
}

.timeline-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 6px;
}

.timeline-date {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

.timeline-badge {
    padding: 4px 12px;
    background: rgba(var(--accent-secondary-rgb), 0.1);
    border: 1px solid rgba(var(--accent-secondary-rgb), 0.2);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-secondary);
}

.timeline-badge.current {
    background: rgba(var(--accent-primary-rgb), 0.1);
    border-color: rgba(var(--accent-primary-rgb), 0.3);
    color: var(--accent-primary);
    animation: pulse 2s ease-in-out infinite;
}

.timeline-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.timeline-achievements {
    list-style: none;
    margin-bottom: 20px;
}

.timeline-achievements li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 8px 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.timeline-achievements li:last-child {
    border-bottom: none;
}

.achievement-icon {
    font-size: 1rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.timeline-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.timeline-tech span {
    padding: 4px 12px;
    background: rgba(var(--accent-primary-rgb), 0.06);
    border: 1px solid rgba(var(--accent-primary-rgb), 0.15);
    border-radius: 6px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent-primary);
    font-weight: 500;
}

/* ============================================
   CERTIFICATIONS
   ============================================ */
.certifications {
    background: var(--bg-secondary);
}

.certs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.cert-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px 28px;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-normal);
}

.cert-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-6px);
    background: var(--bg-card-hover);
}

.cert-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(var(--accent-primary-rgb), 0.06) 0%, transparent 60%);
    opacity: 0;
    transition: opacity var(--transition-slow);
    pointer-events: none;
}

.cert-card:hover .cert-glow {
    opacity: 1;
}

.cert-badge {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(var(--accent-primary-rgb), 0.1), rgba(var(--accent-secondary-rgb), 0.1));
    border-radius: 50%;
    color: var(--accent-primary);
    transition: all var(--transition-normal);
}

.cert-card:hover .cert-badge {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 0 30px rgba(var(--accent-primary-rgb), 0.2);
}

.cert-card[data-cert="devops"] .cert-badge { color: var(--accent-primary); }
.cert-card[data-cert="architect"] .cert-badge { color: var(--accent-secondary); }
.cert-card[data-cert="networking"] .cert-badge { color: var(--accent-blue); }

.cert-card[data-cert="architect"] {
    --accent-glow: var(--accent-secondary-rgb);
}
.cert-card[data-cert="architect"] .cert-glow {
    background: radial-gradient(circle, rgba(var(--accent-secondary-rgb), 0.06) 0%, transparent 60%);
}
.cert-card[data-cert="architect"]:hover {
    border-color: rgba(var(--accent-secondary-rgb), 0.3);
}

.cert-card[data-cert="networking"] .cert-glow {
    background: radial-gradient(circle, rgba(var(--accent-blue-rgb), 0.06) 0%, transparent 60%);
}
.cert-card[data-cert="networking"]:hover {
    border-color: rgba(var(--accent-blue-rgb), 0.3);
}

.cert-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.cert-level {
    display: inline-block;
    padding: 4px 14px;
    background: rgba(var(--accent-primary-rgb), 0.1);
    border: 1px solid rgba(var(--accent-primary-rgb), 0.2);
    border-radius: 100px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-primary);
    margin-bottom: 14px;
}

.cert-card[data-cert="architect"] .cert-level {
    background: rgba(var(--accent-secondary-rgb), 0.1);
    border-color: rgba(var(--accent-secondary-rgb), 0.2);
    color: var(--accent-secondary);
}

.cert-card[data-cert="networking"] .cert-level {
    background: rgba(var(--accent-blue-rgb), 0.1);
    border-color: rgba(var(--accent-blue-rgb), 0.2);
    color: var(--accent-blue);
}

.cert-focus {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    line-height: 1.5;
}

/* ============================================
   EDUCATION
   ============================================ */
.education-card {
    display: flex;
    align-items: center;
    gap: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px;
    max-width: 800px;
    margin: 0 auto;
    transition: all var(--transition-normal);
}

.education-card:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
    transform: translateY(-2px);
}

.edu-icon {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(var(--accent-secondary-rgb), 0.1);
    border-radius: 16px;
    color: var(--accent-secondary);
    flex-shrink: 0;
}

.edu-info h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.edu-faculty, .edu-major {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.edu-date {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent-primary);
    font-weight: 500;
    display: inline-block;
    margin-top: 8px;
}

/* ============================================
   CONTACT
   ============================================ */
.contact {
    background: var(--bg-secondary);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    transition: all var(--transition-normal);
    color: var(--text-primary);
    text-decoration: none;
    display: block;
}

.contact-card:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(var(--accent-primary-rgb), 0.08);
    color: var(--text-primary);
}

.contact-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(var(--accent-primary-rgb), 0.08);
    border-radius: 14px;
    margin: 0 auto 16px;
    color: var(--accent-primary);
    transition: all var(--transition-normal);
}

.contact-card:hover .contact-icon {
    background: rgba(var(--accent-primary-rgb), 0.15);
    transform: scale(1.1);
}

.contact-card h3 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.contact-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    word-break: break-all;
}

.contact-note {
    display: inline-block;
    margin-top: 8px;
    padding: 3px 10px;
    background: rgba(var(--accent-primary-rgb), 0.08);
    border-radius: 100px;
    font-size: 0.75rem;
    color: var(--accent-primary);
    font-weight: 500;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    padding: 40px 0;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-logo {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1.2rem;
}

.footer-content p {
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-terminal {
        max-width: 600px;
    }

    .hero-name {
        font-size: 2.8rem;
    }

    .certs-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 80px 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        flex-direction: column;
        background: var(--bg-secondary);
        border-left: 1px solid var(--border-color);
        padding: 80px 32px 32px;
        transition: right var(--transition-normal);
        gap: 4px;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links a {
        padding: 12px 16px;
        font-size: 1rem;
    }

    .hero {
        padding-top: 80px;
    }

    .hero-name {
        font-size: 2.2rem;
    }

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-actions {
        flex-direction: column;
    }

    .about-grid {
        grid-template-columns: 1fr;
    }

    .about-card.about-main {
        grid-column: span 1;
    }

    .skills-grid {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 2rem;
    }

    .timeline-item {
        grid-template-columns: 24px 1fr;
        gap: 16px;
    }

    .certs-grid {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .education-card {
        flex-direction: column;
        text-align: center;
        padding: 32px 24px;
    }

    .footer-content {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    .timeline-header {
        flex-direction: column;
    }

    .timeline-meta {
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .hero-name {
        font-size: 1.8rem;
    }

    .hero-role {
        font-size: 1rem;
    }

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .stat-number {
        font-size: 1.6rem;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .terminal-body {
        min-height: 250px;
        font-size: 0.75rem;
    }
}